/*
- * RV10 codec
- * Copyright (c) 2000,2001 Fabrice Bellard.
+ * RV10/RV20 decoder
+ * Copyright (c) 2000,2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file rv10.c
- * RV10 codec.
+ * @file
+ * RV10/RV20 decoder
*/
-#include "avcodec.h"
-#include "dsputil.h"
-#include "mpegvideo.h"
-
-//#define DEBUG
+#include <inttypes.h>
-#define DC_VLC_BITS 14 //FIXME find a better solution
+#include "libavutil/imgutils.h"
-static const uint16_t rv_lum_code[256] =
-{
- 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06,
- 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
- 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16,
- 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e,
- 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26,
- 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e,
- 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36,
- 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e,
- 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386,
- 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e,
- 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396,
- 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e,
- 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6,
- 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
- 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
- 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004,
- 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027,
- 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
- 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
- 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
- 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
- 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
- 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
- 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
- 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47,
- 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f,
- 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57,
- 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
- 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67,
- 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f,
- 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77,
- 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
+#include "avcodec.h"
+#include "error_resilience.h"
+#include "h263.h"
+#include "internal.h"
+#include "mpeg_er.h"
+#include "mpegvideo.h"
+#include "mpeg4video.h"
+
+#define RV_GET_MAJOR_VER(x) ((x) >> 28)
+#define RV_GET_MINOR_VER(x) (((x) >> 20) & 0xFF)
+#define RV_GET_MICRO_VER(x) (((x) >> 12) & 0xFF)
+
+#define DC_VLC_BITS 14 // FIXME find a better solution
+
+typedef struct RVDecContext {
+ MpegEncContext m;
+ int sub_id;
+ int orig_width, orig_height;
+} RVDecContext;
+
+static const uint16_t rv_lum_code[256] = {
+ 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06,
+ 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
+ 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16,
+ 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e,
+ 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26,
+ 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e,
+ 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36,
+ 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e,
+ 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386,
+ 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e,
+ 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396,
+ 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e,
+ 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6,
+ 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
+ 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
+ 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004,
+ 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027,
+ 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
+ 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
+ 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
+ 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
+ 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
+ 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
+ 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
+ 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47,
+ 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f,
+ 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57,
+ 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
+ 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67,
+ 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f,
+ 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77,
+ 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
};
-static const uint8_t rv_lum_bits[256] =
-{
- 14, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 7, 7, 7, 7, 7, 7, 7,
- 7, 6, 6, 6, 6, 5, 5, 4,
- 2, 4, 5, 5, 6, 6, 6, 6,
- 7, 7, 7, 7, 7, 7, 7, 7,
- 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
+static const uint8_t rv_lum_bits[256] = {
+ 14, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 7, 7, 7, 7, 7, 7, 7,
+ 7, 6, 6, 6, 6, 5, 5, 4,
+ 2, 4, 5, 5, 6, 6, 6, 6,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
};
-static const uint16_t rv_chrom_code[256] =
-{
- 0xfe7f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06,
- 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e,
- 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16,
- 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e,
- 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26,
- 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e,
- 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36,
- 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e,
- 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86,
- 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e,
- 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96,
- 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e,
- 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6,
- 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce,
- 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6,
- 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002,
- 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037,
- 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
- 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7,
- 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df,
- 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7,
- 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf,
- 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7,
- 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf,
- 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47,
- 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f,
- 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57,
- 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f,
- 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67,
- 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f,
- 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77,
- 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f,
+static const uint16_t rv_chrom_code[256] = {
+ 0xfe7f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06,
+ 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e,
+ 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16,
+ 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e,
+ 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26,
+ 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e,
+ 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36,
+ 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e,
+ 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86,
+ 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e,
+ 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96,
+ 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e,
+ 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6,
+ 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce,
+ 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6,
+ 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002,
+ 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037,
+ 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
+ 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7,
+ 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df,
+ 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7,
+ 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf,
+ 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7,
+ 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf,
+ 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47,
+ 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f,
+ 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57,
+ 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f,
+ 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67,
+ 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f,
+ 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77,
+ 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f,
};
-static const uint8_t rv_chrom_bits[256] =
-{
- 16, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 8, 8, 8, 8, 8, 8, 8,
- 8, 6, 6, 6, 6, 4, 4, 3,
- 2, 3, 4, 4, 6, 6, 6, 6,
- 8, 8, 8, 8, 8, 8, 8, 8,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 10,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 12,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 14, 14, 14, 14, 14, 14, 14,
+static const uint8_t rv_chrom_bits[256] = {
+ 16, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 8, 8, 8, 8, 8, 8, 8,
+ 8, 6, 6, 6, 6, 4, 4, 3,
+ 2, 3, 4, 4, 6, 6, 6, 6,
+ 8, 8, 8, 8, 8, 8, 8, 8,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14,
};
static VLC rv_dc_lum, rv_dc_chrom;
-int rv_decode_dc(MpegEncContext *s, int n)
+int ff_rv_decode_dc(MpegEncContext *s, int n)
{
int code;
code = get_vlc2(&s->gb, rv_dc_lum.table, DC_VLC_BITS, 2);
if (code < 0) {
/* XXX: I don't understand why they use LONGER codes than
- necessary. The following code would be completely useless
- if they had thought about it !!! */
+ * necessary. The following code would be completely useless
+ * if they had thought about it !!! */
code = get_bits(&s->gb, 7);
if (code == 0x7c) {
- code = (int8_t)(get_bits(&s->gb, 7) + 1);
+ code = (int8_t) (get_bits(&s->gb, 7) + 1);
} else if (code == 0x7d) {
code = -128 + get_bits(&s->gb, 7);
} else if (code == 0x7e) {
if (get_bits1(&s->gb) == 0)
- code = (int8_t)(get_bits(&s->gb, 8) + 1);
+ code = (int8_t) (get_bits(&s->gb, 8) + 1);
else
- code = (int8_t)(get_bits(&s->gb, 8));
+ code = (int8_t) (get_bits(&s->gb, 8));
} else if (code == 0x7f) {
- get_bits(&s->gb, 11);
+ skip_bits(&s->gb, 11);
code = 1;
}
} else {
if (code < 0) {
code = get_bits(&s->gb, 9);
if (code == 0x1fc) {
- code = (int8_t)(get_bits(&s->gb, 7) + 1);
+ code = (int8_t) (get_bits(&s->gb, 7) + 1);
} else if (code == 0x1fd) {
code = -128 + get_bits(&s->gb, 7);
} else if (code == 0x1fe) {
- get_bits(&s->gb, 9);
+ skip_bits(&s->gb, 9);
code = 1;
} else {
av_log(s->avctx, AV_LOG_ERROR, "chroma dc error\n");
return -code;
}
-#ifdef CONFIG_ENCODERS
-
-/* write RV 1.0 compatible frame header */
-void rv10_encode_picture_header(MpegEncContext *s, int picture_number)
-{
- int full_frame= 0;
-
- align_put_bits(&s->pb);
-
- put_bits(&s->pb, 1, 1); /* marker */
-
- put_bits(&s->pb, 1, (s->pict_type == P_TYPE));
-
- put_bits(&s->pb, 1, 0); /* not PB frame */
-
- put_bits(&s->pb, 5, s->qscale);
-
- if (s->pict_type == I_TYPE) {
- /* specific MPEG like DC coding not used */
- }
- /* if multiple packets per frame are sent, the position at which
- to display the macro blocks is coded here */
- if(!full_frame){
- put_bits(&s->pb, 6, 0); /* mb_x */
- put_bits(&s->pb, 6, 0); /* mb_y */
- put_bits(&s->pb, 12, s->mb_width * s->mb_height);
- }
-
- put_bits(&s->pb, 3, 0); /* ignored */
-}
-
-void rv20_encode_picture_header(MpegEncContext *s, int picture_number){
- put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
- put_bits(&s->pb, 1, 0); /* unknown bit */
- put_bits(&s->pb, 5, s->qscale);
-
- put_bits(&s->pb, 8, picture_number&0xFF); //FIXME wrong, but correct is not known
- s->mb_x= s->mb_y= 0;
- ff_h263_encode_mba(s);
-
- put_bits(&s->pb, 1, s->no_rounding);
-
- assert(s->f_code == 1);
- assert(s->unrestricted_mv == 1);
-// assert(s->h263_aic== (s->pict_type == I_TYPE));
- assert(s->alt_inter_vlc == 0);
- assert(s->umvplus == 0);
- assert(s->modified_quant==1);
- assert(s->loop_filter==1);
-
- s->h263_aic= s->pict_type == I_TYPE;
- if(s->h263_aic){
- s->y_dc_scale_table=
- s->c_dc_scale_table= ff_aic_dc_scale_table;
- }else{
- s->y_dc_scale_table=
- s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
- }
-}
-
-#if 0 /* unused, remove? */
-static int get_num(GetBitContext *gb)
-{
- int n, n1;
-
- n = get_bits(gb, 16);
- if (n >= 0x4000) {
- return n - 0x4000;
- } else {
- n1 = get_bits(gb, 16);
- return (n << 16) | n1;
- }
-}
-#endif
-
-#endif //CONFIG_ENCODERS
-
/* read RV 1.0 compatible frame header */
static int rv10_decode_picture_header(MpegEncContext *s)
{
- int mb_count, pb_frame, marker, unk, mb_xy;
+ int mb_count, pb_frame, marker, mb_xy;
-//printf("ff:%d\n", full_frame);
marker = get_bits1(&s->gb);
if (get_bits1(&s->gb))
- s->pict_type = P_TYPE;
+ s->pict_type = AV_PICTURE_TYPE_P;
else
- s->pict_type = I_TYPE;
-//printf("h:%X ver:%d\n",h,s->rv10_version);
- if(!marker) av_log(s->avctx, AV_LOG_ERROR, "marker missing\n");
+ s->pict_type = AV_PICTURE_TYPE_I;
+
+ if (!marker)
+ av_log(s->avctx, AV_LOG_ERROR, "marker missing\n");
+
pb_frame = get_bits1(&s->gb);
-#ifdef DEBUG
- av_log(s->avctx, AV_LOG_DEBUG, "pict_type=%d pb_frame=%d\n", s->pict_type, pb_frame);
-#endif
+ av_dlog(s->avctx, "pict_type=%d pb_frame=%d\n", s->pict_type, pb_frame);
- if (pb_frame){
- av_log(s->avctx, AV_LOG_ERROR, "pb frame not supported\n");
- return -1;
+ if (pb_frame) {
+ avpriv_request_sample(s->avctx, "pb frame");
+ return AVERROR_PATCHWELCOME;
}
s->qscale = get_bits(&s->gb, 5);
- if(s->qscale==0){
- av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n");
- return -1;
+ if (s->qscale == 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "Invalid qscale value: 0\n");
+ return AVERROR_INVALIDDATA;
}
- if (s->pict_type == I_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_I) {
if (s->rv10_version == 3) {
/* specific MPEG like DC coding not used */
s->last_dc[0] = get_bits(&s->gb, 8);
s->last_dc[1] = get_bits(&s->gb, 8);
s->last_dc[2] = get_bits(&s->gb, 8);
-#ifdef DEBUG
- av_log(s->avctx, AV_LOG_DEBUG, "DC:%d %d %d\n",
- s->last_dc[0],
- s->last_dc[1],
- s->last_dc[2]);
-#endif
+ av_dlog(s->avctx, "DC:%d %d %d\n", s->last_dc[0],
+ s->last_dc[1], s->last_dc[2]);
}
}
/* if multiple packets per frame are sent, the position at which
- to display the macro blocks is coded here */
+ * to display the macroblocks is coded here */
- mb_xy= s->mb_x + s->mb_y*s->mb_width;
- if(show_bits(&s->gb, 12)==0 || (mb_xy && mb_xy < s->mb_num)){
- s->mb_x = get_bits(&s->gb, 6); /* mb_x */
- s->mb_y = get_bits(&s->gb, 6); /* mb_y */
+ mb_xy = s->mb_x + s->mb_y * s->mb_width;
+ if (show_bits(&s->gb, 12) == 0 || (mb_xy && mb_xy < s->mb_num)) {
+ s->mb_x = get_bits(&s->gb, 6); /* mb_x */
+ s->mb_y = get_bits(&s->gb, 6); /* mb_y */
mb_count = get_bits(&s->gb, 12);
} else {
- s->mb_x = 0;
- s->mb_y = 0;
+ s->mb_x = 0;
+ s->mb_y = 0;
mb_count = s->mb_width * s->mb_height;
}
- unk= get_bits(&s->gb, 3); /* ignored */
-//printf("%d\n", unk);
- s->f_code = 1;
+ skip_bits(&s->gb, 3); /* ignored */
+ s->f_code = 1;
s->unrestricted_mv = 1;
return mb_count;
}
-static int rv20_decode_picture_header(MpegEncContext *s)
+static int rv20_decode_picture_header(RVDecContext *rv)
{
- int seq, mb_pos, i;
-
-#if 0
- GetBitContext gb= s->gb;
- for(i=0; i<64; i++){
- av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&gb));
- if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
- }
- av_log(s->avctx, AV_LOG_DEBUG, "\n");
-#endif
-#if 0
- av_log(s->avctx, AV_LOG_DEBUG, "%3dx%03d/%02Xx%02X ", s->width, s->height, s->width/4, s->height/4);
- for(i=0; i<s->avctx->extradata_size; i++){
- av_log(s->avctx, AV_LOG_DEBUG, "%02X ", ((uint8_t*)s->avctx->extradata)[i]);
- if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
- }
- av_log(s->avctx, AV_LOG_DEBUG, "\n");
-#endif
-
- if(s->avctx->sub_id == 0x30202002 || s->avctx->sub_id == 0x30203002){
- if (get_bits(&s->gb, 3)){
- av_log(s->avctx, AV_LOG_ERROR, "unknown triplet set\n");
- return -1;
- }
- }
-
- i= get_bits(&s->gb, 2);
- switch(i){
- case 0: s->pict_type= I_TYPE; break;
- case 1: s->pict_type= I_TYPE; break; //hmm ...
- case 2: s->pict_type= P_TYPE; break;
- case 3: s->pict_type= B_TYPE; break;
+ MpegEncContext *s = &rv->m;
+ int seq, mb_pos, i, ret;
+ int rpr_bits;
+
+ i = get_bits(&s->gb, 2);
+ switch (i) {
+ case 0:
+ s->pict_type = AV_PICTURE_TYPE_I;
+ break;
+ case 1:
+ s->pict_type = AV_PICTURE_TYPE_I;
+ break; // hmm ...
+ case 2:
+ s->pict_type = AV_PICTURE_TYPE_P;
+ break;
+ case 3:
+ s->pict_type = AV_PICTURE_TYPE_B;
+ break;
default:
av_log(s->avctx, AV_LOG_ERROR, "unknown frame type\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
- if(s->last_picture_ptr==NULL && s->pict_type==B_TYPE){
- av_log(s->avctx, AV_LOG_ERROR, "early B pix\n");
- return -1;
+ if (!s->last_picture_ptr && s->pict_type == AV_PICTURE_TYPE_B) {
+ av_log(s->avctx, AV_LOG_ERROR, "early B-frame\n");
+ return AVERROR_INVALIDDATA;
}
- if (get_bits1(&s->gb)){
- av_log(s->avctx, AV_LOG_ERROR, "unknown bit set\n");
- return -1;
+ if (get_bits1(&s->gb)) {
+ av_log(s->avctx, AV_LOG_ERROR, "reserved bit set\n");
+ return AVERROR_INVALIDDATA;
}
s->qscale = get_bits(&s->gb, 5);
- if(s->qscale==0){
- av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n");
- return -1;
- }
- if(s->avctx->sub_id == 0x30203002){
- if (get_bits1(&s->gb)){
- av_log(s->avctx, AV_LOG_ERROR, "unknown bit2 set\n");
- return -1;
- }
+ if (s->qscale == 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "Invalid qscale value: 0\n");
+ return AVERROR_INVALIDDATA;
}
- if(s->avctx->has_b_frames){
+ if (RV_GET_MINOR_VER(rv->sub_id) >= 2)
+ s->loop_filter = get_bits1(&s->gb);
+
+ if (RV_GET_MINOR_VER(rv->sub_id) <= 1)
+ seq = get_bits(&s->gb, 8) << 7;
+ else
+ seq = get_bits(&s->gb, 13) << 2;
+
+ rpr_bits = s->avctx->extradata[1] & 7;
+ if (rpr_bits) {
int f, new_w, new_h;
- int v= s->avctx->extradata_size >= 4 ? 7&((uint8_t*)s->avctx->extradata)[1] : 0;
+ rpr_bits = FFMIN((rpr_bits >> 1) + 1, 3);
- if (get_bits1(&s->gb)){
- av_log(s->avctx, AV_LOG_ERROR, "unknown bit3 set\n");
-// return -1;
- }
- seq= get_bits(&s->gb, 13)<<2;
+ f = get_bits(&s->gb, rpr_bits);
- f= get_bits(&s->gb, av_log2(v)+1);
+ if (f) {
+ if (s->avctx->extradata_size < 8 + 2 * f) {
+ av_log(s->avctx, AV_LOG_ERROR, "Extradata too small.\n");
+ return AVERROR_INVALIDDATA;
+ }
- if(f){
- new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f];
- new_h= 4*((uint8_t*)s->avctx->extradata)[7+2*f];
- }else{
- new_w= s->width; //FIXME wrong we of course must save the original in the context
- new_h= s->height;
+ new_w = 4 * ((uint8_t *) s->avctx->extradata)[6 + 2 * f];
+ new_h = 4 * ((uint8_t *) s->avctx->extradata)[7 + 2 * f];
+ } else {
+ new_w = rv->orig_width;
+ new_h = rv->orig_height;
}
- if(new_w != s->width || new_h != s->height){
- av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h);
- if (avcodec_check_dimensions(s->avctx, new_h, new_w) < 0)
- return -1;
- MPV_common_end(s);
- s->width = s->avctx->width = new_w;
- s->height = s->avctx->height= new_h;
- if (MPV_common_init(s) < 0)
- return -1;
+ if (new_w != s->width || new_h != s->height) {
+ av_log(s->avctx, AV_LOG_DEBUG,
+ "attempting to change resolution to %dx%d\n", new_w, new_h);
+ ff_mpv_common_end(s);
+
+ ret = ff_set_dimensions(s->avctx, new_w, new_h);
+ if (ret < 0)
+ return ret;
+
+ s->width = new_w;
+ s->height = new_h;
+ if ((ret = ff_mpv_common_init(s)) < 0)
+ return ret;
}
- if(s->avctx->debug & FF_DEBUG_PICT_INFO){
- av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, v);
+ if (s->avctx->debug & FF_DEBUG_PICT_INFO) {
+ av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, rpr_bits);
}
- }else{
- seq= get_bits(&s->gb, 8)*128;
- }
-
-// if(s->avctx->sub_id <= 0x20201002){ //0x20201002 definitely needs this
- mb_pos= ff_h263_decode_mba(s);
-/* }else{
- mb_pos= get_bits(&s->gb, av_log2(s->mb_num-1)+1);
- s->mb_x= mb_pos % s->mb_width;
- s->mb_y= mb_pos / s->mb_width;
- }*/
-//av_log(s->avctx, AV_LOG_DEBUG, "%d\n", seq);
- seq |= s->time &~0x7FFF;
- if(seq - s->time > 0x4000) seq -= 0x8000;
- if(seq - s->time < -0x4000) seq += 0x8000;
- if(seq != s->time){
- if(s->pict_type!=B_TYPE){
- s->time= seq;
- s->pp_time= s->time - s->last_non_b_time;
- s->last_non_b_time= s->time;
- }else{
- s->time= seq;
- s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
- if(s->pp_time <=s->pb_time || s->pp_time <= s->pp_time - s->pb_time || s->pp_time<=0){
- av_log(s->avctx, AV_LOG_DEBUG, "messed up order, possible from seeking? skipping current b frame\n");
+ } else if (av_image_check_size(s->width, s->height, 0, s->avctx) < 0)
+ return AVERROR_INVALIDDATA;
+
+ mb_pos = ff_h263_decode_mba(s);
+
+ seq |= s->time & ~0x7FFF;
+ if (seq - s->time > 0x4000)
+ seq -= 0x8000;
+ if (seq - s->time < -0x4000)
+ seq += 0x8000;
+
+ if (seq != s->time) {
+ if (s->pict_type != AV_PICTURE_TYPE_B) {
+ s->time = seq;
+ s->pp_time = s->time - s->last_non_b_time;
+ s->last_non_b_time = s->time;
+ } else {
+ s->time = seq;
+ s->pb_time = s->pp_time - (s->last_non_b_time - s->time);
+ if (s->pp_time <= s->pb_time ||
+ s->pp_time <= s->pp_time - s->pb_time || s->pp_time <= 0) {
+ av_log(s->avctx, AV_LOG_DEBUG, "messed up order, possible "
+ "from seeking? skipping current b frame\n");
return FRAME_SKIPPED;
}
ff_mpeg4_init_direct_mv(s);
}
}
-// printf("%d %d %d %d %d\n", seq, (int)s->time, (int)s->last_non_b_time, s->pp_time, s->pb_time);
-/*for(i=0; i<32; i++){
- av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
-}
-av_log(s->avctx, AV_LOG_DEBUG, "\n");*/
- s->no_rounding= get_bits1(&s->gb);
- s->f_code = 1;
+ s->no_rounding = get_bits1(&s->gb);
+
+ if (RV_GET_MINOR_VER(rv->sub_id) <= 1 && s->pict_type == AV_PICTURE_TYPE_B)
+ // binary decoder reads 3+2 bits here but they don't seem to be used
+ skip_bits(&s->gb, 5);
+
+ s->f_code = 1;
s->unrestricted_mv = 1;
- s->h263_aic= s->pict_type == I_TYPE;
-// s->alt_inter_vlc=1;
-// s->obmc=1;
-// s->umvplus=1;
- s->modified_quant=1;
- s->loop_filter=1;
-
- if(s->avctx->debug & FF_DEBUG_PICT_INFO){
- av_log(s->avctx, AV_LOG_INFO, "num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n",
- seq, s->mb_x, s->mb_y, s->pict_type, s->qscale, s->no_rounding);
+ s->h263_aic = s->pict_type == AV_PICTURE_TYPE_I;
+ s->modified_quant = 1;
+ s->loop_filter = 1;
+
+ if (s->avctx->debug & FF_DEBUG_PICT_INFO) {
+ av_log(s->avctx, AV_LOG_INFO,
+ "num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n",
+ seq, s->mb_x, s->mb_y, s->pict_type, s->qscale,
+ s->no_rounding);
}
- assert(s->pict_type != B_TYPE || !s->low_delay);
+ assert(s->pict_type != AV_PICTURE_TYPE_B || !s->low_delay);
- return s->mb_width*s->mb_height - mb_pos;
+ return s->mb_width * s->mb_height - mb_pos;
}
-static int rv10_decode_init(AVCodecContext *avctx)
+static av_cold int rv10_decode_init(AVCodecContext *avctx)
{
- MpegEncContext *s = avctx->priv_data;
- static int done=0;
-
- MPV_decode_defaults(s);
-
- s->avctx= avctx;
- s->out_format = FMT_H263;
- s->codec_id= avctx->codec_id;
-
- s->width = avctx->width;
- s->height = avctx->height;
-
- s->h263_long_vectors= ((uint8_t*)avctx->extradata)[3] & 1;
- avctx->sub_id= AV_RB32((uint8_t*)avctx->extradata + 4);
-
- if (avctx->sub_id == 0x10000000) {
- s->rv10_version= 0;
- s->low_delay=1;
- } else if (avctx->sub_id == 0x10002000) {
- s->rv10_version= 3;
- s->low_delay=1;
- s->obmc=1;
- } else if (avctx->sub_id == 0x10003000) {
- s->rv10_version= 3;
- s->low_delay=1;
- } else if (avctx->sub_id == 0x10003001) {
- s->rv10_version= 3;
- s->low_delay=1;
- } else if ( avctx->sub_id == 0x20001000
- || (avctx->sub_id >= 0x20100000 && avctx->sub_id < 0x201a0000)) {
- s->low_delay=1;
- } else if ( avctx->sub_id == 0x30202002
- || avctx->sub_id == 0x30203002
- || (avctx->sub_id >= 0x20200002 && avctx->sub_id < 0x20300000)) {
- s->low_delay=0;
- s->avctx->has_b_frames=1;
- } else
- av_log(s->avctx, AV_LOG_ERROR, "unknown header %X\n", avctx->sub_id);
+ RVDecContext *rv = avctx->priv_data;
+ MpegEncContext *s = &rv->m;
+ static int done = 0;
+ int major_ver, minor_ver, micro_ver, ret;
+
+ if (avctx->extradata_size < 8) {
+ av_log(avctx, AV_LOG_ERROR, "Extradata is too small.\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if ((ret = av_image_check_size(avctx->coded_width,
+ avctx->coded_height, 0, avctx)) < 0)
+ return ret;
+
+ ff_mpv_decode_defaults(s);
+
+ s->avctx = avctx;
+ s->out_format = FMT_H263;
+ s->codec_id = avctx->codec_id;
+
+ rv->orig_width =
+ s->width = avctx->coded_width;
+ rv->orig_height =
+ s->height = avctx->coded_height;
+
+ s->h263_long_vectors = ((uint8_t *) avctx->extradata)[3] & 1;
+ rv->sub_id = AV_RB32((uint8_t *) avctx->extradata + 4);
+
+ major_ver = RV_GET_MAJOR_VER(rv->sub_id);
+ minor_ver = RV_GET_MINOR_VER(rv->sub_id);
+ micro_ver = RV_GET_MICRO_VER(rv->sub_id);
+
+ s->low_delay = 1;
+ switch (major_ver) {
+ case 1:
+ s->rv10_version = micro_ver ? 3 : 1;
+ s->obmc = micro_ver == 2;
+ break;
+ case 2:
+ if (minor_ver >= 2) {
+ s->low_delay = 0;
+ s->avctx->has_b_frames = 1;
+ }
+ break;
+ default:
+ av_log(s->avctx, AV_LOG_ERROR, "unknown header %X\n", rv->sub_id);
+ avpriv_request_sample(avctx, "RV1/2 version");
+ return AVERROR_PATCHWELCOME;
+ }
- if(avctx->debug & FF_DEBUG_PICT_INFO){
- av_log(avctx, AV_LOG_DEBUG, "ver:%X ver0:%X\n", avctx->sub_id, avctx->extradata_size >= 4 ? ((uint32_t*)avctx->extradata)[0] : -1);
+ if (avctx->debug & FF_DEBUG_PICT_INFO) {
+ av_log(avctx, AV_LOG_DEBUG, "ver:%X ver0:%X\n", rv->sub_id,
+ avctx->extradata_size >= 4 ? ((int *) avctx->extradata)[0] : -1);
}
- avctx->pix_fmt = PIX_FMT_YUV420P;
+ avctx->pix_fmt = AV_PIX_FMT_YUV420P;
- if (MPV_common_init(s) < 0)
- return -1;
+ ff_mpv_idct_init(s);
+ if ((ret = ff_mpv_common_init(s)) < 0)
+ return ret;
- h263_decode_init_vlc(s);
+ ff_h263dsp_init(&s->h263dsp);
+ ff_h263_decode_init_vlc();
/* init rv vlc */
if (!done) {
- init_vlc(&rv_dc_lum, DC_VLC_BITS, 256,
- rv_lum_bits, 1, 1,
- rv_lum_code, 2, 2, 1);
- init_vlc(&rv_dc_chrom, DC_VLC_BITS, 256,
- rv_chrom_bits, 1, 1,
- rv_chrom_code, 2, 2, 1);
+ INIT_VLC_STATIC(&rv_dc_lum, DC_VLC_BITS, 256,
+ rv_lum_bits, 1, 1,
+ rv_lum_code, 2, 2, 16384);
+ INIT_VLC_STATIC(&rv_dc_chrom, DC_VLC_BITS, 256,
+ rv_chrom_bits, 1, 1,
+ rv_chrom_code, 2, 2, 16388);
done = 1;
}
return 0;
}
-static int rv10_decode_end(AVCodecContext *avctx)
+static av_cold int rv10_decode_end(AVCodecContext *avctx)
{
MpegEncContext *s = avctx->priv_data;
- MPV_common_end(s);
+ ff_mpv_common_end(s);
return 0;
}
-static int rv10_decode_packet(AVCodecContext *avctx,
- uint8_t *buf, int buf_size)
+static int rv10_decode_packet(AVCodecContext *avctx, const uint8_t *buf,
+ int buf_size, int buf_size2)
{
- MpegEncContext *s = avctx->priv_data;
- int mb_count, mb_pos, left, start_mb_x;
+ RVDecContext *rv = avctx->priv_data;
+ MpegEncContext *s = &rv->m;
+ int mb_count, mb_pos, left, start_mb_x, active_bits_size, ret;
- init_get_bits(&s->gb, buf, buf_size*8);
- if(s->codec_id ==CODEC_ID_RV10)
+ active_bits_size = buf_size * 8;
+ init_get_bits(&s->gb, buf, FFMAX(buf_size, buf_size2) * 8);
+ if (s->codec_id == AV_CODEC_ID_RV10)
mb_count = rv10_decode_picture_header(s);
else
- mb_count = rv20_decode_picture_header(s);
+ mb_count = rv20_decode_picture_header(rv);
if (mb_count < 0) {
av_log(s->avctx, AV_LOG_ERROR, "HEADER ERROR\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (s->mb_x >= s->mb_width ||
s->mb_y >= s->mb_height) {
av_log(s->avctx, AV_LOG_ERROR, "POS ERROR %d %d\n", s->mb_x, s->mb_y);
- return -1;
+ return AVERROR_INVALIDDATA;
}
mb_pos = s->mb_y * s->mb_width + s->mb_x;
- left = s->mb_width * s->mb_height - mb_pos;
+ left = s->mb_width * s->mb_height - mb_pos;
if (mb_count > left) {
av_log(s->avctx, AV_LOG_ERROR, "COUNT ERROR\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
-//if(s->pict_type == P_TYPE) return 0;
- if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr==NULL) {
- if(s->current_picture_ptr){ //FIXME write parser so we always have complete frames?
- ff_er_frame_end(s);
- MPV_frame_end(s);
- s->mb_x= s->mb_y = s->resync_mb_x = s->resync_mb_y= 0;
+ if ((s->mb_x == 0 && s->mb_y == 0) || !s->current_picture_ptr) {
+ // FIXME write parser so we always have complete frames?
+ if (s->current_picture_ptr) {
+ ff_er_frame_end(&s->er);
+ ff_mpv_frame_end(s);
+ s->mb_x = s->mb_y = s->resync_mb_x = s->resync_mb_y = 0;
+ }
+ if ((ret = ff_mpv_frame_start(s, avctx)) < 0)
+ return ret;
+ ff_mpeg_er_frame_start(s);
+ } else {
+ if (s->current_picture_ptr->f->pict_type != s->pict_type) {
+ av_log(s->avctx, AV_LOG_ERROR, "Slice type mismatch\n");
+ return AVERROR_INVALIDDATA;
}
- if(MPV_frame_start(s, avctx) < 0)
- return -1;
- ff_er_frame_start(s);
}
-#ifdef DEBUG
- av_log(avctx, AV_LOG_DEBUG, "qscale=%d\n", s->qscale);
-#endif
+ av_dlog(avctx, "qscale=%d\n", s->qscale);
/* default quantization values */
- if(s->codec_id== CODEC_ID_RV10){
- if(s->mb_y==0) s->first_slice_line=1;
- }else{
- s->first_slice_line=1;
- s->resync_mb_x= s->mb_x;
- }
- start_mb_x= s->mb_x;
- s->resync_mb_y= s->mb_y;
- if(s->h263_aic){
- s->y_dc_scale_table=
- s->c_dc_scale_table= ff_aic_dc_scale_table;
- }else{
- s->y_dc_scale_table=
- s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
+ if (s->codec_id == AV_CODEC_ID_RV10) {
+ if (s->mb_y == 0)
+ s->first_slice_line = 1;
+ } else {
+ s->first_slice_line = 1;
+ s->resync_mb_x = s->mb_x;
+ }
+ start_mb_x = s->mb_x;
+ s->resync_mb_y = s->mb_y;
+ if (s->h263_aic) {
+ s->y_dc_scale_table =
+ s->c_dc_scale_table = ff_aic_dc_scale_table;
+ } else {
+ s->y_dc_scale_table =
+ s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
}
- if(s->modified_quant)
- s->chroma_qscale_table= ff_h263_chroma_qscale_table;
+ if (s->modified_quant)
+ s->chroma_qscale_table = ff_h263_chroma_qscale_table;
ff_set_qscale(s, s->qscale);
s->rv10_first_dc_coded[0] = 0;
s->rv10_first_dc_coded[1] = 0;
s->rv10_first_dc_coded[2] = 0;
-//printf("%d %X %X\n", s->pict_type, s->current_picture.motion_val[0], s->current_picture.motion_val[1]);
- s->block_wrap[0]=
- s->block_wrap[1]=
- s->block_wrap[2]=
- s->block_wrap[3]= s->b8_stride;
- s->block_wrap[4]=
- s->block_wrap[5]= s->mb_stride;
+ s->block_wrap[0] =
+ s->block_wrap[1] =
+ s->block_wrap[2] =
+ s->block_wrap[3] = s->b8_stride;
+ s->block_wrap[4] =
+ s->block_wrap[5] = s->mb_stride;
ff_init_block_index(s);
- /* decode each macroblock */
- for(s->mb_num_left= mb_count; s->mb_num_left>0; s->mb_num_left--) {
+ /* decode each macroblock */
+ for (s->mb_num_left = mb_count; s->mb_num_left > 0; s->mb_num_left--) {
int ret;
ff_update_block_index(s);
-#ifdef DEBUG
- av_log(avctx, AV_LOG_DEBUG, "**mb x=%d y=%d\n", s->mb_x, s->mb_y);
-#endif
+ av_dlog(avctx, "**mb x=%d y=%d\n", s->mb_x, s->mb_y);
- s->mv_dir = MV_DIR_FORWARD;
+ s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
- ret=ff_h263_decode_mb(s, s->block);
+ ret = ff_h263_decode_mb(s, s->block);
+
+ // Repeat the slice end check from ff_h263_decode_mb with our active
+ // bitstream size
+ if (ret != SLICE_ERROR) {
+ int v = show_bits(&s->gb, 16);
+
+ if (get_bits_count(&s->gb) + 16 > active_bits_size)
+ v >>= get_bits_count(&s->gb) + 16 - active_bits_size;
+
+ if (!v)
+ ret = SLICE_END;
+ }
+ if (ret != SLICE_ERROR && active_bits_size < get_bits_count(&s->gb) &&
+ 8 * buf_size2 >= get_bits_count(&s->gb)) {
+ active_bits_size = buf_size2 * 8;
+ av_log(avctx, AV_LOG_DEBUG, "update size from %d to %d\n",
+ 8 * buf_size, active_bits_size);
+ ret = SLICE_OK;
+ }
- if (ret == SLICE_ERROR || s->gb.size_in_bits < get_bits_count(&s->gb)) {
- av_log(s->avctx, AV_LOG_ERROR, "ERROR at MB %d %d\n", s->mb_x, s->mb_y);
- return -1;
+ if (ret == SLICE_ERROR || active_bits_size < get_bits_count(&s->gb)) {
+ av_log(s->avctx, AV_LOG_ERROR, "ERROR at MB %d %d\n", s->mb_x,
+ s->mb_y);
+ return AVERROR_INVALIDDATA;
}
- if(s->pict_type != B_TYPE)
+ if (s->pict_type != AV_PICTURE_TYPE_B)
ff_h263_update_motion_val(s);
- MPV_decode_mb(s, s->block);
- if(s->loop_filter)
+ ff_mpv_decode_mb(s, s->block);
+ if (s->loop_filter)
ff_h263_loop_filter(s);
if (++s->mb_x == s->mb_width) {
s->mb_y++;
ff_init_block_index(s);
}
- if(s->mb_x == s->resync_mb_x)
- s->first_slice_line=0;
- if(ret == SLICE_END) break;
+ if (s->mb_x == s->resync_mb_x)
+ s->first_slice_line = 0;
+ if (ret == SLICE_END)
+ break;
}
- ff_er_add_slice(s, start_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
+ ff_er_add_slice(&s->er, start_mb_x, s->resync_mb_y, s->mb_x - 1, s->mb_y,
+ ER_MB_END);
- return buf_size;
+ return active_bits_size;
}
-static int rv10_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
- uint8_t *buf, int buf_size)
+static int get_slice_offset(AVCodecContext *avctx, const uint8_t *buf, int n)
{
+ if (avctx->slice_count)
+ return avctx->slice_offset[n];
+ else
+ return AV_RL32(buf + n * 8);
+}
+
+static int rv10_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
+ AVPacket *avpkt)
+{
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
MpegEncContext *s = avctx->priv_data;
- int i;
AVFrame *pict = data;
+ int i, ret;
+ int slice_count;
+ const uint8_t *slices_hdr = NULL;
-#ifdef DEBUG
- av_log(avctx, AV_LOG_DEBUG, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
-#endif
+ av_dlog(avctx, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
/* no supplementary picture */
if (buf_size == 0) {
return 0;
}
- if(avctx->slice_count){
- for(i=0; i<avctx->slice_count; i++){
- int offset= avctx->slice_offset[i];
- int size;
-
- if(i+1 == avctx->slice_count)
- size= buf_size - offset;
- else
- size= avctx->slice_offset[i+1] - offset;
+ if (!avctx->slice_count) {
+ slice_count = (*buf++) + 1;
+ buf_size--;
- rv10_decode_packet(avctx, buf+offset, size);
+ if (!slice_count || buf_size <= 8 * slice_count) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid slice count: %d.\n",
+ slice_count);
+ return AVERROR_INVALIDDATA;
}
- }else{
- rv10_decode_packet(avctx, buf, buf_size);
+
+ slices_hdr = buf + 4;
+ buf += 8 * slice_count;
+ buf_size -= 8 * slice_count;
+ } else
+ slice_count = avctx->slice_count;
+
+ for (i = 0; i < slice_count; i++) {
+ unsigned offset = get_slice_offset(avctx, slices_hdr, i);
+ int size, size2;
+
+ if (offset >= buf_size)
+ return AVERROR_INVALIDDATA;
+
+ if (i + 1 == slice_count)
+ size = buf_size - offset;
+ else
+ size = get_slice_offset(avctx, slices_hdr, i + 1) - offset;
+
+ if (i + 2 >= slice_count)
+ size2 = buf_size - offset;
+ else
+ size2 = get_slice_offset(avctx, slices_hdr, i + 2) - offset;
+
+ if (size <= 0 || size2 <= 0 ||
+ offset + FFMAX(size, size2) > buf_size)
+ return AVERROR_INVALIDDATA;
+
+ if ((ret = rv10_decode_packet(avctx, buf + offset, size, size2)) < 0)
+ return ret;
+
+ if (ret > 8 * size)
+ i++;
}
- if(s->current_picture_ptr != NULL && s->mb_y>=s->mb_height){
- ff_er_frame_end(s);
- MPV_frame_end(s);
+ if (s->current_picture_ptr && s->mb_y >= s->mb_height) {
+ ff_er_frame_end(&s->er);
+ ff_mpv_frame_end(s);
- if (s->pict_type == B_TYPE || s->low_delay) {
- *pict= *(AVFrame*)s->current_picture_ptr;
- } else if (s->last_picture_ptr != NULL) {
- *pict= *(AVFrame*)s->last_picture_ptr;
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
+ if ((ret = av_frame_ref(pict, s->current_picture_ptr->f)) < 0)
+ return ret;
+ ff_print_debug_info(s, s->current_picture_ptr);
+ } else if (s->last_picture_ptr) {
+ if ((ret = av_frame_ref(pict, s->last_picture_ptr->f)) < 0)
+ return ret;
+ ff_print_debug_info(s, s->last_picture_ptr);
}
- if(s->last_picture_ptr || s->low_delay){
- *data_size = sizeof(AVFrame);
- ff_print_debug_info(s, pict);
+ if (s->last_picture_ptr || s->low_delay) {
+ *got_frame = 1;
}
- s->current_picture_ptr= NULL; //so we can detect if frame_end wasnt called (find some nicer solution...)
+
+ // so we can detect if frame_end was not called (find some nicer solution...)
+ s->current_picture_ptr = NULL;
}
- return buf_size;
+ return avpkt->size;
}
-AVCodec rv10_decoder = {
- "rv10",
- CODEC_TYPE_VIDEO,
- CODEC_ID_RV10,
- sizeof(MpegEncContext),
- rv10_decode_init,
- NULL,
- rv10_decode_end,
- rv10_decode_frame,
- CODEC_CAP_DR1
+AVCodec ff_rv10_decoder = {
+ .name = "rv10",
+ .long_name = NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_RV10,
+ .priv_data_size = sizeof(RVDecContext),
+ .init = rv10_decode_init,
+ .close = rv10_decode_end,
+ .decode = rv10_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
+ .pix_fmts = (const enum AVPixelFormat[]) {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE
+ },
};
-AVCodec rv20_decoder = {
- "rv20",
- CODEC_TYPE_VIDEO,
- CODEC_ID_RV20,
- sizeof(MpegEncContext),
- rv10_decode_init,
- NULL,
- rv10_decode_end,
- rv10_decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
+AVCodec ff_rv20_decoder = {
+ .name = "rv20",
+ .long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_RV20,
+ .priv_data_size = sizeof(RVDecContext),
+ .init = rv10_decode_init,
+ .close = rv10_decode_end,
+ .decode = rv10_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
+ .flush = ff_mpeg_flush,
+ .pix_fmts = (const enum AVPixelFormat[]) {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE
+ },
};
-
projects / ffmpeg / blobdiff